Learn Spoken English Through Dialogues. For High School Students.

1. To express “Ability”.
For Senior Students.
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2. Do you know, what I did
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yesterday?

3. What did you do?
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4. I wrote 20 pages. Could
you write at a stretch?
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5. Right now, I could not. I can spell
twenty words in a minute, can you?
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6. My dad says, after two years I will
be able to play chess well.
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7. Don’t be too smart! Now I am able
to play chess well.
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8. I can’t tolerate this. You could’ve
behaved decently.
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9. See, how Bobby turns the pages as
if he was able to read.
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10. When I am a little bit grownup, I will
be able to express better.
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11. If I had read well, I could have
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passed.

12. We use past form of the verb when
we have a past timer in the
sentence. Like yesterday, ago, last
week etc.
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13. ‘Can or be able’ express present ability.
‘Could’ or ‘was/were able to’ express
past ability, and ‘will/shall be able to’
express future ability.
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14. ‘Could’ can also be used for the present
tense – but an element of doubt is
there.
Hence “Could you write at a stretch?”
leaves a doubt.
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15. “Could” with the perfect infinitive
indicate unfulfilled action. Hence “I
could have passed” means I did not
pass.
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